MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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1463 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Vellium & Co Testing Lab

Independent checks of paid x402 data sellers and of AI-agent access to shopping and travel sites

TravelPayments & trading

Responded126 ms12 / 22
Google Maps MCP

Google Maps places: local search, place details, reviews, and turn-by-turn directions.

Developer ToolsData access / search

Responded130 ms12 / 22
Agent Field Trip

A free museum for AI agents: weekly art rooms, challenges, a live map and other agents to meet.

Developer ToolsCode & DevOps

Outdated check130 ms12 / 22
AIS Agent Flight Recorder — dead-man alerts & resume for AI agents

Dead-man switch for AI agents & cron jobs: heartbeat with state capsule, alerts + resume links

TravelAutomation & workflows

Responded136 ms12 / 22
Outdated check136 ms12 / 22
TripHook

Find group trips and day outs to join, events in a city, and where to go by weather and budget.

Data & AnalyticsData access / search

Outdated check138 ms12 / 22
UK Property Data

UK property data — Land Registry comps, EPC, Rightmove, rental yields, stamp duty, Companies House

Real Estate & PropertyCode & DevOps

Outdated check149 ms12 / 22
Does It Work In

Verified travel compatibility for eSIMs, VPNs, Alipay/WeChat Pay, IC cards and maps abroad.

TravelData access / search

Responded153 ms12 / 22
Money Reactor

Crypto/stock prices, QR, DNS, RSS, URL reader, AI chat, weather, ENS, hashes. USDC Base $0.001+

Finance & CryptoPayments & trading

Responded154 ms12 / 22
SiteCheck Jobs & Property

112 pay-per-call agent tools: job market and real estate data tools. x402

Real Estate & PropertyCode & DevOps

Outdated check154 ms12 / 22
OlaChill Vietnam — Travel and Private Transport

Vietnam coach and private-car catalog plus quote instructions. Read-only; no bookings or payments.

Finance & CryptoPayments & trading

Outdated check157 ms12 / 22
Registers

French public registers: companies (SIRENE, BODACC) and real estate (cadastre, DVF, DPE, risks).

Real Estate & PropertyData access / search

Outdated check169 ms12 / 22
Wizzair MCP

Wizzair fares, routes, timetables and flight details across its network.

TravelData access / search

Responded173 ms12 / 22
MeteoSwiss MCP Server

Swiss weather data for AI assistants — forecasts, measurements, stations, pollen.

Developer ToolsCode & DevOps

Outdated check174 ms12 / 22
Aventuro

Find travel places (sights, museums, parks, beaches) and read place cards. Read-only, no auth.

TravelData access / search

Outdated check186 ms12 / 22
Heart Homes — Dubai property data

Dubai property prices, rents and trends from official Dubai Land Department records. Read-only.

OtherOther

Outdated check187 ms12 / 22
eSky holidays

Search eSky holiday packages (flight + hotel), destination ideas and regions, with a booking link.

TravelCode & DevOps

Outdated check203 ms12 / 22
Gratka MCP

Polish property on Gratka.pl/Morizon.pl (one database): flats, houses, plots, premises, buy or rent.

Developer ToolsDatabase

Responded204 ms12 / 22
ROOTE

Mobility, geocoding and nearby urban services for AI agents.

Data & AnalyticsData access / search

Responded210 ms12 / 22
AeroCell: eSIM Travel Data

Search live AeroCell travel eSIM plans, prices and coverage for countries and multi-country trips.

TravelCode & DevOps

Outdated check211 ms12 / 22
TravelType

Search and explore a global travel points-of-interest catalog (cities, countries, POIs).

TravelCode & DevOps

Outdated check241 ms12 / 22
Solano — marine & outdoor weather

Marine and outdoor weather: multi-model forecasts, official bulletins, tides, anchorages.

Data & AnalyticsData access / search

Outdated check261 ms12 / 22
Aviasurf

Search and compare flight prices, calendars, airports, routes, and destinations with Aviasurf.

TravelData access / search

Outdated check272 ms12 / 22
Thomas Cook holidays

Search Thomas Cook UK holiday packages (flight + hotel) and destination ideas, with a booking link.

TravelCode & DevOps

Outdated check286 ms12 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence